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<title>DTLS_set_timer_cb</title>
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<ul id="index">
  <li><a href="#NAME">NAME</a></li>
  <li><a href="#SYNOPSIS">SYNOPSIS</a></li>
  <li><a href="#DESCRIPTION">DESCRIPTION</a></li>
  <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
  <li><a href="#HISTORY">HISTORY</a></li>
  <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>

<p>DTLS_timer_cb, DTLS_set_timer_cb - Set callback for controlling DTLS timer duration</p>

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code> <span class="comment">#include &lt;openssl/ssl.h&gt;</span>
 
 <span class="variable">typedef</span> <span class="variable">unsigned</span> <span class="keyword">int</span> <span class="operator">(</span><span class="variable">*DTLS_timer_cb</span><span class="operator">)(</span><span class="variable">SSL</span> <span class="variable">*s</span><span class="operator">,</span> <span class="variable">unsigned</span> <span class="keyword">int</span> <span class="variable">timer_us</span><span class="operator">);</span>
 
 <span class="variable">void</span> <span class="variable">DTLS_set_timer_cb</span><span class="operator">(</span><span class="variable">SSL</span> <span class="variable">*s</span><span class="operator">,</span> <span class="variable">DTLS_timer_cb</span> <span class="variable">cb</span><span class="operator">);</span>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>This function sets an optional callback function for controlling the timeout interval on the DTLS protocol. The callback function will be called by DTLS for every new DTLS packet that is sent.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>Returns void.</p>

<h1 id="HISTORY">HISTORY</h1>

<p>The DTLS_set_timer_cb() function was added in OpenSSL 1.1.1.</p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.</p>

<p>Licensed under the OpenSSL license (the &quot;License&quot;). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>


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